Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

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Can you count the number of quadrilaterals in the picture below?

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Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Solve below popular number sequence
314 159 265 358 979 323 846 ?